Analog-to-digital converters, or ADCs, are somewhat monolithic devices for most users, a black box that you ask nicely for the value on its input, and receive a number in return. For most readers, ...

If you need a 12-bit ADC with eight differential channels for a portable, battery-powered data-acquisition system, you'll find that many 12-bit ADCs with configurable multiplexers are available.

Much to the chagrin of hardware tinkerers, the Raspberry Pi doesn’t have analog inputs on its GPIO pins. Sure, you can blink a LED with just a few console commands, but reading sensors with a ...